Meiourogonyaulax diaphana

diaphana Stevens, 1987, p.191–192, figs.4A–K,6A–B,7A–D. Holotype: Stevens, 1987, figs.4A–D,6A–B; Fensome et al., 1996, figs.1–3,9–10 — p.2111. Originally (and now) Meiourogonyaulax, subsequently Lithodinia?. This species is here retained in Meiourogonyaulax following the retention of the genus by Riding and Helby (2001d, p.81,83). Age: early Berriasian.